Today you'll find Pop Rocks in the candy aisle, and you might even see it as a garnish on your favorite drink, as it's one of the unique ways experts garnish non-alcoholic drinks.

Pop Rocks candy pops because it has small amounts of carbon dioxide pockets. When you put the candy in your mouth, your saliva dissolves the candy and the carbon dioxide bubbles burst in your mouth.

Alyssa Strickland asked, "Why Pop Rocks candy pops and crackles when you eat them?" 2 Wants to Know asked food science professor Dr. Keith Harris from North Carolina State University.